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Subject[PATCH] [8/18] Add a __alloc_bootmem_node_nopanic
Date

Straight forward variant of the existing __alloc_bootmem_node, only
Signed-off-by: Andi Kleen <ak@suse.de>

difference is that it doesn't panic on failure

Signed-off-by: Andi Kleen <ak@suse.de>
---
include/linux/bootmem.h | 4 ++++
mm/bootmem.c | 12 ++++++++++++
2 files changed, 16 insertions(+)

Index: linux/mm/bootmem.c
===================================================================
--- linux.orig/mm/bootmem.c
+++ linux/mm/bootmem.c
@@ -471,6 +471,18 @@ void * __init __alloc_bootmem_node(pg_da
return __alloc_bootmem(size, align, goal);
}

+void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
+ unsigned long align, unsigned long goal)
+{
+ void *ptr;
+
+ ptr = __alloc_bootmem_core(pgdat->bdata, size, align, goal, 0);
+ if (ptr)
+ return ptr;
+
+ return __alloc_bootmem_nopanic(size, align, goal);
+}
+
#ifndef ARCH_LOW_ADDRESS_LIMIT
#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
#endif
Index: linux/include/linux/bootmem.h
===================================================================
--- linux.orig/include/linux/bootmem.h
+++ linux/include/linux/bootmem.h
@@ -90,6 +90,10 @@ extern void *__alloc_bootmem_node(pg_dat
unsigned long size,
unsigned long align,
unsigned long goal);
+extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+ unsigned long size,
+ unsigned long align,
+ unsigned long goal);
extern unsigned long init_bootmem_node(pg_data_t *pgdat,
unsigned long freepfn,
unsigned long startpfn,

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